Hoisting apparatus.



J. CAMPBELL. HOISTING APPARATUS. APPLICATION FILED JAN. 14, 1905.

2 '1 sums-31111111 1.

I I v PATENTED MAR-27, 190

'No, 816,071. PATENTED MAR. 27, 1906.

. J. GAMPBBLLL 1 HOISITING APPARATUS.

APPLICATION I'ILED JAN.14, 1905.

7 SHEETS-SHEET 2.

No.'81( 3,0 71. I PATENTE'D MAR. 27, 1906.

' I J. CAMPBELL.

HOISTING APPARATUS.

APPLICATION FILED JAN. 14, 1905;

7 SHBETS-SHEET 4.

32 n 32 i? Z3 J i I t v 32 33 AVE-5- v PATENTED MAR. 27, 1966. J. CAMPBELL.

HOISTING APPARATUS. APPLIOATIONI'ILED JAN. 14, 1:505,

7 SHEETS-SHEET 5.

3'. i116": vvvvvv VV y [I WI 1 a /9 7 Z7 I lllllll llllltll flglllllllllllh I J! 1% f FE WITNESSES:

No. 816,071. "PATENTED MAR. 27, 1906.

J. CAMPBELL.

HOISTING APPARATUS; APPLIOAT ION FILED JAN-14, 1905.

7 SHEETS-SHEET 'I.

WITH E5555;

JEREMIAH CAMPBELL, or PROVIDENCE,- RHODE ISLAND;

HOISTIN G APPARATUS.

Specification of Letters Patent.

Patented March 27, 1906.

Application filed January 14, 1905. Serial No. 241,086.

and useful Improvement in Hoisting Ap'paratus, of which the following is a full, clear, and exact description, reference being had to the accompanying drawin s, forming a part of this specification, in explaining its nature.

My-invention belongs to that general type of ore or coal hoisting and handling machinery in which the bucket is passed directly and vertically through the ho per before and after relieving its loadinto t 1e same and in which the hopper comprises movable sections or segments actuated upon movement of the bucket to provide for the passage of the latter.

- I More particularly, m invention relates to ahop er of the ty e re erred to in which the ave a novel construction with the'bucket' mechanism to open and close a passagefor the bucket through the hopper.

An object of my invention is the provision of positive and reliable connections between the ho persections"and the bucket mechanism w ereby the hopper may be opened as well as closed by said mechanism instead of openin by ravity, as heretofore.

Anot er ject of my invention is a break-- ing and crushin device. which serves the double purpose 0 separatin to a certain ex-, tent the larger from the sma ler pieces of coal during their exit from the hop er and also shoul the coal jam in the mouth of the hopper of breakingthe larger pieces and driving the-, .o.bstructin masswthrough the outlet. It has been found that such chokin Y frequently results from the feeding throng the portion of my invention last above referre'd to serves the double purpose of preventing this locking by se arating the sizes to a certain extentIand s ould any'of .the pieces be too large or should such lockin still occur by breaking the larger pieces am c driving --the .mass through the opening. It will be rememberedthat the hopper-outlet is smaller in area than the average cross-area of the hopper itself.

.. More specifically, myinvention relates to a hopper, one section of which when in its closed position acts as a device to select or a narrow. passage of lar e and small coal mixed together the small coa acting to lock thejlarger, and.

operates'when opening to permit of the exit 0 thebucket to act as: a devicefor crushing and sizing the larger coal as it passes into the chute.

Other objects of rny invention will presently appear upon a description of the'same, in connection with the accompanying drawings, in which I Figure 1 is a cross-sectional elevation of my assembled apparatus in one position. Fig. 2 is a cross-sectional elevation on the line 2 2 of Fig. 1. Fig. 3 is an elevation of the crosshead and guiding mechanism; Fig. 4 is a plan on the line 4 4 of Fig. 3. Fig. 5 is a plan on the line 5 5 of Fig. 1. tional elevation of the cross-head guide-plate in engagement with the bucket-Suspender. Fig. 7 is a top plan of the mechanism shown in Fig. 6. Fig. 8 is a side elevation of a modification, Fig.9 being a vertical section on line 9 90f Fig. 8, showing one side of the hopper. Fig. 10 is an enlarged section taken on line 10 10 of Fig. 9.

1 is shown having the throat or extenslon 2 for feeding the chutes at 3. The bottom of the hopper has the usualslope to the throat and is comprised of two plates or sections 4 and 5, the section 4 being hinged at 6 ,to have a downward swing from the position shown in Fig. 1 and the section 5 hinged at7 to swing The bucket or grab 9 is shown in Figs. 1- and 2 connected with the hoisting-chain 10 by the link 11, (see Fig. 6,) the link being attached to the chain at the eye 12 and to the grab by the eye-link 13. The link 11 is provided with the usual buffer-s ring 14 and is provided with a plate 1.5 an lug 16 for .en-

described. I

Upon the sides of the hopper are provided the gu'ideways 17, (see Figs. 3 and 4,) and in these guideways are adapted to slide the guide-bars 18. Carried by the guide-bars 1s the cross-head 19,suitably braced and connected thereto.- The cross-head is provided with a central opening 20 for the passage of the link '11 and ho1stingchain and has of the hopper are provided a second set of upward from the position shown in this figure.

ways 22, cammed or deflected inward at 23 divide and guide the coal to the chute and Fig. 6 is a cross-sec- Referring to the various figures, the hopper gaging with the cross-headpresently to be IQO mounted thereon a guide-plate 21, having also an opening re 'stenngwlth the opening (See Figs. 6

as shown in Figs. 3 and 4 and as indicated in the dotted lines in Fig. 2. Engaging these camways by means of fingers 23 and extending through guides 24 on the cross-head 19 are the links 25, adapted to have a reciprocating movement in said guides their engagement with the camway. The links 25 extend to the center of the cross-head, passing through the openings 26 in the guideplates 21 and terminating in the collars 27. and 7.) These collars have a short diameter at least equal to that of the central opening in the cross-head and are of an elongated shape. When the fingers 23 of the links 25 coacting with the cams 23 are in their outermost position, the collars 27 are in the position shown in Fig. 7, overlapping each other at the center of the cross-head sufficiently to ermit of the engagement of each with the 1 1 and yet intersecting or crossing the passage of the central opening 20 and interposed in the line of action of the iece 16 on the link 1 1. by virtue of their engagement with the camwa s are carried to their inward position, the ends of the collars 27 do not lie in the line of the opening 20.

Secured to or integral with the cross-head I guide-bars 18 are the racks 28, and ivotally allel to the plane of the ribs 34.

connected to the bars 18 are the inks 29. The plates 30 serve to house the moving parts to prevent interference of the coal therewith. The links 29 are pivotally connected to the lugs '31 on the plate 4. The racks 28 engagethe inions 32, mounted on the housing 30, (see igs. 1, 2, and 5,) and are held in working engagement therewith by the rollers 32'. The pinions 32 are shown as of considerable width and besides engaging with the racks 28 engage also with the segmental rack 33 on the frame of the plate 5. ,Y

The ore selecting,- dividing, and crushing feature of my invention is as follows: Upon the upper face of the plate 5 is a series of ribs 34. These ribs are shown as tapering upward from the surface of the plate toward the mouth of the hopper and terminate in a point at a cutting or crushing edge 35. The throat 2 of the hopper is curvedat 36, as shown in Fig. 1, the curve being described by a radius the center of which would be in the neighborhood of the point of the ribs 34. The curve 36 terminates at the mouth of the hopper, and located in the mouth at an angle to be substantially a continuation of the curve of the wall is a grate 37. This is composed of a series of bars 38, (see Fi 5,) arranged par- The 11 per edges of the bars are pointed at39, an the ra ius of action of the. crushing-point 35is such as to cause the ribs to coact 1n crushing with that portion of the grateebars lying to the outside of the points 39. I

The operation of my a paratus is as follows: The bucket being elow the hopper by virtue of The smaller coal When, however, the inks 25 and the hop er open, upon upward move-' ment of the c ain 10 the plate 15 on the link 11, connected therewith, engages "the under side of the cross-head, as shown in Fig. 6, and carries the cross-head, with its guides, upward in the guideway 17. The links 29, ivotally connected to the guides and to the p ate 4, in moving upward draw the 1plate 4 into the position s own in Fig. 1, w ile the rack 28, moving upward, by engagement with the pinion 32 rotates the pinion, and the pinion engaging the rack 33 turns the plate 5 downward into the positionshown in Fi 1. The bucket is then reileved by suitab e means, and the coal falling upon. the plates 4 and 5 slides downward toward the chute. The larger coal passes down along the to s of the ribs 34 and over-the end thereof, 10 ging on the grate 37, being retained on the outside portion of the grate by the points or projec trons 39 on the upper edge of the grate-bars.

pass' ng ribs drops off the 'end of the plate 5 and passes down between the bars of the grate inside of the projecting oints 39, such points serving to prevent thearger from obstructing the passage of the smaller coal. The bucket having been relieved is allowed to down between the start downward upon its return trip. Thecross-head is at this time in itsuppermostposit1on, as-shown in Fig. 2, andthe fingers 23' of thelinks 25 in the outermost line of the camways 22. On moving down the link 11 by means of the lug 16 engages the links 25 at their collars, as shown in gs. 6 and 7, and starts downward with "the cross -liead, to which it is for the time positively con'nected,

the guides 18 moving in the guldeways 1 7 and the links 25 enga ing the camways 22. During this time the ink 29, engaging the plate 4, throws it downward into a substantially vertical position, and the rack 28, engaging the piifon 32 and the irr'on the segmental rack 33, causes the p ate 5 to swing upward on its pivot 7. The rotary movement of the plate 5 causes the points 35 of the knives or crushers 34 to crush the larger coal then resting upon the outer section of the grate, and th s crushing action is rendered effective, as it is primarily caused b the great weight of the empty grab, which ii ing connected to the cross-head at tlns time serves.

as the motive power by which this crush ng action is caused to take place. On arriving opposite the inward bend 23 in the camways the links 25 are forced inward and their collars are moved beyond the central opening 20 in the cross-head and out of the way of the lug 16,so that the-lug 16, with the chain, passes on through the opening 20 and leavesrthe cross-head there located.

The movement upward of the plate 5, which forms the lowerpart-of the bottom of the hopper when the hopper is closed is of great advantage,.because as more coal runs over this 6o into the same, means engaging said plate and sie,071

portion of. the hopper than over the upper plate 4 there is more likelihood that some of the fine dust will stick to it i"or example, if the plate is wet. moved into a. p ractii ially, vertical position, as

it is in the operation above described, the

v finer coal will not tend to stick to it, and for this reason the hopper is more nearly self cleaning than such hoppers are usually,

It is apparent that other means may be adopted for moving the two plates which form the floor of the hopper; but I believe the above to be e'ilicient and especially desirable because of the positive connection by which the weight of the grab in its descent not only requires the operation of-the plates, but also serves as the m'eansof power for operating fast on a stud extending throughthe housing and carrying at its vouter end a sprocket 40. Similar sprockets 41 are suitably mounted in the upper part of the hopper inlthe same plane with thesprockets 40, so that-there is a pair of sprockets on each side of the, hopper. A chain 42 passes around each pair of sprockets, the ends of each chain being fastened to a pinl43, whf is connected to andlnoves with the cro'ss-head, so that as the cross-head is lowered the chains cause the lifting of the plate 5 in a manner. similar to they action of' racks 28, The lftlngof the cross-headlowei s the-plate 5. Fig. '8 shows the parts in their position when the bucket or grab is lowered, and Fig. 10 shows one oi'the pin's43 and itsv connection with the cross-head 19. In this View, which is a section on line 10 10 oflfig.

9, the cross-head has anextension on each side which extends out between'the guideways 17: This-extension comprises'a plate I pieces 45 45, connected by the plate 46,

serves to give clearance for the chain. The

44, which is clamped between two angle: and

pin 43 is attached to the structure so formed, this form ng a convenient and strong, mode of attachment therefor.

It is apparent that the precise construction shown and described is capableof'varied from the spirit of my invention. What I'claimas my invention is-.

1. In a coal-delivering mechanism, a movable grab a stationary hopper having a plate movable to provide a passage for the grab.

modifications without involving .a departure positively actuated by the grab to open said passa e. v p 2. n a coal-delivering mechanism, a vertically movable- ==grab, a"'-" stat1onary hopper If, however, this plateis' having a bottom plate movable to provide a passage forthe grab into the same, means on;

plate and positively, actuated .1

gaging said, the grab to open said passage.

3. In a coal-delivering mechanism, a movable grab, a stationary hopper having a plate intothe same, operating .means engaging to positivelyengage saidoperating means to open said passage. v

4. 'In a coal-delivering mechanism, a vertically-movable grab, a stationary hopper, the bottom oi" which comprises a plate pivot ally mounted to'open and close with the exit and entrance of the grab, and means foropening saidplate upward and into the hopper.

of which comprises two plates pivotally mounted to open and close with the exit and entrance of the grab, and means for opening one of said the hopper. I 4

6. In a coal-.(lelivering mechanism, a vertically-movable grab, a hoppenthe bottom ofwhich comprises-a plate pivotally mounted toopen and close :with the exit and entrance of the grab,a-nd a chain and sprocket actuated by the grab to operate said plate.

7. In, a. coal-delivering mechanism, a vertically-movable grab, of which comprises two plates pivotally entrance of the grab, a chain and s rocket for o eratingone of said plates, an a pivoted ink for o crating the other plate. 7 1 8. In a coa -delivering mechanism, a ver-- tically movable grab, a stationaryhopper,- thebottorn of which com risesa platepivotallymounted to open an close with the' exit and entrance of the grab, means engaged by the grab on its downwardmovement to open saidplate s.

9. In a coal-delivering mechanism, a vertically-movable grab, ahopper, the bottom of which comprisesa plate pivotally mounted to open-and close with the exit, and entrance of the grab, means engaged by the grab on its. downward movement to open plates upward and into the hop-- per, and the other downward and away. from.

a hopper, the bottom.

'movable to provide .a' passage for the grab said plate, and means actuatedby the grab I .5. In a coal-delivering mechanism, a vertically-movablegrab, a hopper, the bottom.

mounted to open andelose with the exit and I :ITO

said plate, and means for releasing the grab from said plate-opening means after a'predetermined travel.

, "10. In a coal-delivering mechanism,,a vertically-mo'vable v of whichcomprises a plate pivotally mountgrab, a hopper, the bottom ed to open and close=with therexi t and entrance of the grab, a cross-head engaged by the grab on itsdownward. movement to open said plate.

. 11. In a coal deliverin mechanisi'nfa ver tically-movable grab, a opper, the bottoin of which comprisesfaplate 'pivotally mount ed to open and close with the .exit and entrance of the grab, a cross-head engaged by the grab on its downward movement to open the cross-he ad from trance 14. In a coa -deliverin sprocket to operate the said plate, and a latch to engage and release the grab aftera predetermined travel.

-12. In a coal-deliverin mechanism, a vertically-movable grab, a

opper, the bottom of which comprises a plate pivotally mounted to open and close with the exit and enof the grab, a cross-head engaged by the grab on its downward movement to 0 en said plate, and a latch com rising a ink mounted on the cross-head and slidable thereon.

13. In a coaI-deliverin mechanism, a ver tically-movable grab, a opper, the bottom of which comprisesa plate pivotally-mounted to open and close with the exit and entrance of the grab, a cross-head through an opening in which the grabconnection asses, means secured to the cross-head and s 'dable thereon to engage and release the grab-connection, a cam on the hopper to actuate said slidable means, and means actuated by the cross-head to o erate the pivoted plate. mechanism, a vertically-movable grab, a opper, the bottom of which comprises a plate pivotally mounted to open and close with the exit and en trance of the grab opening in which the grab connection asses, means secured to the cross-head and s idable thereon 'to engage and release the grab connection, a cam on the hopperto actuate said slidable means, a sprocket operated by the cross head and gearing operated by the pivoted plate.

15. In a coal-deliverin mechanism, a verticall -movable grab, a hopper, the bottom of which comprises two' plates pivotally mounted to openand close with the exit and entrance of the 'ab, a cross-head through an opening in whic the grab connection asses, means secured to the cross-head and s 'dable thereon to engage downward movement, a cam on the hopper to actuate said slidable means, other means for engaging the grab connection upon its u ward movement, means connected with t e cross-head and plates for operating the. plates upon movmlement of the cross-head.

.16. In a hopper having an opening contracted to prevent the free passage of large ore, means to prevent the large ore, held at said opening, from interfering with the passage therethrough of small ore. 17. In a hopper having a contracted openlarge ore, and for causing the. small ore to freely pass through said opening without being obstructed by the large ore.

18. In a hopper having a contracted 0 ening, means for separating the small ore om the large ore and for holding the large ore out in said openmg, th

, a cross-head through an and release the grab on its smaller ore to the inside section of the passage of a grab of thepathofthe small ore through the open-' m 19. In a hopper having an opening, a in saidopening, .a series of ribsat the t" of the opening between the endsof which the small ore may pass to the grate, means for preventing the obstruction of the grate by the large .ore.

20. In a hopper having an opening, a grate e surface ,of which is divided into two sections by a line of prongs or projections on the bars of the grate, a series of ribs at, the throat of the hopper between the ends of which the small ore may pass ,to the inside section of the grate-surface'while the lar e ore passes over the ends of the ribs and lorIges' upon the outside section.

21. -In a hopper having a restricted outlet, a pivoted crushin or sizing device operative in the direction t ough said outlet to keep said outlet clear and means whereby said crushing device is oscillated-towardand' from the outlet.

22'. In a ho per havin a grate in said? outlet, and or sizing device coacting keep the outlet clear.

a cat a restricted outlet, 9. pivoted crushing 23. In a hop er having a restricted outlet,

a pivoted plate aving a series ofpointed ribs to crush and size the ore at the outlet.

24-. Ina hopper having a restrictedoutlet, a bottom plate of said hopper being ivoted to swing in the direction of the said outlet and provided with means to crush or size the ore to keep the opening clear.

25. In a hopper having a restricted outlet a bottom plate of said hopper being pivote to ilermit the passage of a ab, and rovided Wit It aseries of pointed s to crus or size the ore at the outlet.

26. In a hopper having a restricted outlet,

a bottom plate of said hopper being pivoted to hermit the passage of a grab, and provided wit a series of ribs sufliciently spaced to catch and guide the smallerore and with knife or crushing ends to crus or size the larger material at the outlet when opening to admit the grab.

27. In a hopper having a restricted outlet, a grate across said outlet, the based the grate being formed to divi faceinto two sections, a bottom plate of said hopper pivoted to (permit the passageof a gra and provide with ribs sufliciently spaced andarranged to catch and guide the gratesurface, and extended to points acting upon movement of the late to crush the larger ore ggainst the outsi e section of the grate-surace.

28. In a hopper having a restricted outlet, and a bottom plate movable to permit the means acting by the movement of said plate to crush-or size the ore at the outlet. i

w th the grate to ovided e the grate-sur IIO 29; In combination a ho per having a restricted outlet, a grab an means operated py the grab to crush or size the ore at the outet.

stricted outlet and a grab a bottom plate of 10 said ho per actuated by the grab to be swung upwar into the hopper andcrush or size the material therein.

JEREMIAH CAMPBELL.

Inpresence of F. F. RAYMOND, 2d, M. E. FLAHERTY; 

